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When 60 people used a certain diet for one year, their weight losses had a standard deviation of 4.4 lb. Use a 0.01 significance level
When
60
people used a certain diet for one year, their weight losses had a standard deviation of
4.4
lb. Use a
0.01
significance level to test the claim that the amounts of weight loss have a standard deviation equal to
6.0
lb, which appears to be the standard deviation for the amounts of weight loss with a different diet. Assume that a simple random sample is selected from a normally distributed population.
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